GB1287565A - Improvements in or relating to a self-advancing mine roof support - Google Patents

Improvements in or relating to a self-advancing mine roof support

Info

Publication number
GB1287565A
GB1287565A GB42891/68A GB4289168A GB1287565A GB 1287565 A GB1287565 A GB 1287565A GB 42891/68 A GB42891/68 A GB 42891/68A GB 4289168 A GB4289168 A GB 4289168A GB 1287565 A GB1287565 A GB 1287565A
Authority
GB
United Kingdom
Prior art keywords
mine roof
advancing mine
roof support
relating
self
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB42891/68A
Inventor
Peter Shuttleworth
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mastabar Mining Equipment Co Ltd
Original Assignee
Mastabar Mining Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mastabar Mining Equipment Co Ltd filed Critical Mastabar Mining Equipment Co Ltd
Priority to GB42891/68A priority Critical patent/GB1287565A/en
Priority to US777016A priority patent/US3514961A/en
Publication of GB1287565A publication Critical patent/GB1287565A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
    • E21D23/18—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices of advancing mechanisms
    • E21D23/20—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices of advancing mechanisms for sequential movement, e.g. one behind the other

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

1287565 Advancing mine roof supports MASTABAR MINING EQUIPMENT CO Ltd 9 Sept 1969 [10 Sept 1968] 42891/68 Heading E1P In an advancing mine roof support, controls, for adjusting props 14, 16 and a horizontal ram (not shown) for connection to a conveyor are arranged at a side of the support so as to obviate the need for the operator to be underneath the canopy. The controls are combined into a single lever 24 for controlling the release valves contained in block 22. The lever may occupy one neutral position and four operating positions and is connected to shafts 32, 34, mounted for sliding and pivotal motion respectively. When two levers are provided, one on each side, they are interlinked so as to have corresponding operating positions. The levers may be arranged so that a push-pull fence only is required to release the valves (Fig. 4).
GB42891/68A 1968-09-10 1968-09-10 Improvements in or relating to a self-advancing mine roof support Expired GB1287565A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB42891/68A GB1287565A (en) 1968-09-10 1968-09-10 Improvements in or relating to a self-advancing mine roof support
US777016A US3514961A (en) 1968-09-10 1968-11-19 Mine roof supports

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB42891/68A GB1287565A (en) 1968-09-10 1968-09-10 Improvements in or relating to a self-advancing mine roof support

Publications (1)

Publication Number Publication Date
GB1287565A true GB1287565A (en) 1972-08-31

Family

ID=10426421

Family Applications (1)

Application Number Title Priority Date Filing Date
GB42891/68A Expired GB1287565A (en) 1968-09-10 1968-09-10 Improvements in or relating to a self-advancing mine roof support

Country Status (2)

Country Link
US (1) US3514961A (en)
GB (1) GB1287565A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2623031C2 (en) * 1976-05-22 1978-07-06 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal Arrangement of a push-button control device for hydraulic support
DE202009015653U1 (en) * 2009-11-25 2011-07-12 Bucyrus Europe Gmbh Shield cap for a shield extension
US10493571B1 (en) * 2018-09-17 2019-12-03 Andrew Kostecki Fused overlay plate and method
BR112021004871A2 (en) * 2018-09-17 2021-06-01 Andrew Kostecki cast overlay board and method
US11712746B1 (en) 2019-07-16 2023-08-01 Andrew Kostecki Wire feeder assembly
CN110454216B (en) * 2019-09-19 2024-03-15 西安科技大学 Underground catastrophe area temporary rapid airtight supporting device and method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2657028A (en) * 1949-06-15 1953-10-27 Joy Mfg Co Walking jack
GB905379A (en) * 1960-03-23 1962-09-05 Dowty Mining Equipment Ltd Improvements relating to hydraulic mine roof supporting devices
GB1015161A (en) * 1960-09-23 1965-12-31 Dobson Ltd W E & F Improvements in or relating to stable hole support means for mines
DE1127842B (en) * 1960-11-24 1962-04-19 Maschf Mobile longwall member
GB972824A (en) * 1961-05-19 1964-10-14 Dowty Mining Equipment Ltd Mine roof-supporting device
DE1215092B (en) * 1962-08-25 1966-04-28 Nitto Tekko Kabushiki Kaisha Gradual pit expansion with alternately shiftable ram assemblies
GB1025879A (en) * 1963-10-16 1966-04-14 Dowty Mining Equipment Ltd Mining apparatus

Also Published As

Publication number Publication date
US3514961A (en) 1970-06-02

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee